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path: root/drivers/usb/host/ehci-sched.c
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Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
-rw-r--r--drivers/usb/host/ehci-sched.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 69ebee73c0c1..b476daf49f6f 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -213,7 +213,7 @@ static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __hc32 mask)
213} 213}
214 214
215static const unsigned char 215static const unsigned char
216max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 }; 216max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 125, 25 };
217 217
218/* carryover low/fullspeed bandwidth that crosses uframe boundries */ 218/* carryover low/fullspeed bandwidth that crosses uframe boundries */
219static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8]) 219static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8])
@@ -2212,11 +2212,11 @@ static void scan_isoc(struct ehci_hcd *ehci)
2212 } 2212 }
2213 ehci->now_frame = now_frame; 2213 ehci->now_frame = now_frame;
2214 2214
2215 frame = ehci->last_iso_frame;
2215 for (;;) { 2216 for (;;) {
2216 union ehci_shadow q, *q_p; 2217 union ehci_shadow q, *q_p;
2217 __hc32 type, *hw_p; 2218 __hc32 type, *hw_p;
2218 2219
2219 frame = ehci->last_iso_frame;
2220restart: 2220restart:
2221 /* scan each element in frame's queue for completions */ 2221 /* scan each element in frame's queue for completions */
2222 q_p = &ehci->pshadow [frame]; 2222 q_p = &ehci->pshadow [frame];
@@ -2321,6 +2321,9 @@ restart:
2321 /* Stop when we have reached the current frame */ 2321 /* Stop when we have reached the current frame */
2322 if (frame == now_frame) 2322 if (frame == now_frame)
2323 break; 2323 break;
2324 ehci->last_iso_frame = (frame + 1) & fmask; 2324
2325 /* The last frame may still have active siTDs */
2326 ehci->last_iso_frame = frame;
2327 frame = (frame + 1) & fmask;
2325 } 2328 }
2326} 2329}